Dorothy1117
Dorothy1117
28-06-2017
Mathematics
contestada
Simplify (x − 4)(x2+ 5x + 2).
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texaschic101
texaschic101
28-06-2017
(x - 4)(x^2 + 5x + 2) =
x(x^2 + 5x + 2) - 4(x^2 + 5x + 2) =
x^3 + 5x^2 + 2x - 4x^2 - 20x - 8 =
x^3 + x^2 - 18x - 8 <==
Answer Link
trishinada63
trishinada63
28-06-2017
Distribute
x3 + 5x2 + 2x - 4x2 - 20x - 8
Add or subtract like terms.
x3 + x2 - 18x - 8
Answer Link
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